IS : 12399( Part 1 )- 1999 ( Reaffirmed 2002 ) Indian Standard SPECIFtATION FOR RADIO FREQUENCY CONNECTORS OF N-SERIES PART 1 TEST SCHEDULE AND REQUIREMENTS UDC 621~316*541~029~421-53: 621-38.038 0 Copyright 1988 BUREAU MANAK OF BHAVAN, INDIAN STANDARDS ZAFAR MARG 9 BAHADUR SHAH NEW DELHI 110002 9 December 1988 Gr 4 I8 ! 12380( Part 1 )- 1988 hdiun Standard SPECIFICATIONFOR RADIO FREQUENCYCONNECTORSOFNSERlES PART 1 TEST SCHEDULE AND REQUIREMENTS 0. FOREWORD 0.1 This Indian Standard ( Part 1 ) was adopted by the Bureau of Indian Standards on 25 April 1988, after the draft finalized by the Connectors for Electronic Equipment Sectional Committee had been approved by the Electronics and Telecommunication Division Council. detail specifications for specific types tors. I 0.4 While preparing of connec- 0.2 This standard ( Part 1 ) is one of the series of Indian Standards on radio frequency connectors for frequencies above 3 MHz, used in electronic equipment, and shall be read in conjunction with IS : 5054-1988". 0.3 This standard ( Part 1 ) is the sectional specification covering N series of connectors. Subsequent parts OF this standard would cover *General requirements and methods of tests for radio frequency connectors above 3 MHZ ( secondicitfsfaff ). this standard, assistance has been derived from JSS 52402`Detail specification for connectors, radio frequency, series N', issued by the Directorate of Standardization, Ministry of Defence, India. 0.5 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test shall be rounded with IS : 2-1960*. The Off in accordance number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. 1. SCOPE 1.1 This standard specifies the test schedule and requirements applicable for radio frequency connectors of N series. b) The letters ard, IS representing Indian Stand- c) A number denoting the type of connector, and d) A two digit numerical block, numbers varying from 01 to 99 for each type of connector to represent variants like materials, finishes, cables, cable terminating technique, applications, etc. This block is further subdivided into two blocks, one block between numbers 01 and 49 to identify connectors for professional applications and the other block of numbers between 50 and 99 to fdentlfy connectors for consumer applications. 4.2 The type designation shall be given in accord_ ante with 4.1, for example: XXXX 1s where XXXX = the reference standard, IS = Indian Standard, YY = denotes the type of connector, 1 and number of this YY - ZZ 2. TERMINOLOGY 2.1 For the purpose of this standard, the terms and definitions given in IS : 1885 ( Part 40 )1974* and IS : 5054-1988t shall apply. CONSTRUCTION 3. MATERIALS, WORKMANSHIP 3.1 The consfruction AND and workmanship shall be in accordance with 4 of IS : 5054-1988t. The materials and finish shall be in accordance with the relevant specification. 4. TYPE DESIGNATION 4.1 Radio frequency connectors of series N, according to this standard, shall be designated by: a) Reference to this Indian Standard, *l?lectrotechnical vocabulary: Part 40 Connectors. tGenera1 requirements and methods of tests for radio frequency connectors above 3 MHz ( second revision ). IS:12380( Part l)- 1988 shall be as specified in the relevant detail specification. 9. TESTS 9.1 General - The test schedule specifies the tests and the order in which they shall be carried out as well as the requirements to be met. 9.2 Conditions of Tests - The provisions of IS : 5054-1988* shall apply. 9.3 Classification of Tests - The of IS : 5054-1988* shall apply. 9.4 Test Schedule 9.4.1 Type Tests - The test schedule for type tests and the sequence of tests shall be as specified in Table 1. The manufacturers shall submit 22 mating pairs of each style for which approval is desired. If approval is desired for all types covered in any particutar category, the manufacturer shall submit 5 mating pairs in each of the remaining types of the particular category. The additional samples shall be subjected to Group 5 tests only. *General requirements and methods of tests for radio frequency connectors above 3 MHz ( second revision ). of 8 22 = represents variants like materials, finishes, cables, cable technique, applications, etc. 4.3 The type designations shall be specified in the relevant detail specification. 5. MARKING 5.1 The connectors shall be marked in accordance with 6 of IS : 5054-1988*. 6. PACKAGING 6.1 The connector shall be suitably packaged to withstand normal handling and transit hazards. 6.2 Packaging ( presentation, identification and packaging ) shall be in accordance with the terms of contract. 7. CLIMATIC CATEGORY 7.1 The climatic category shall according to 3 of IS : 5054-1988*. 8. ELECTRICAL 8.1 The electrical generally be provisions of 7 CHARACTERISTICS characteristics of connectors *General requirements and methods of tests for radio frequency connectors above 3 MHz ( second revision ) TABLE 1 SCHEDULE SLNO. (1) 1. TEsTs (2) Zero Group ( 22 Pairs ) a) Visual examination b) Dimensions and mass c) Mating characteristics CL REP OF IS : 5054-1988* (3) 9.1.1 9.2 11.15 OF TYPE TESTS CONDITIONS OF TESTS (4) REQUIREMENTS (5) The following details shall be as specified in the relevant detail specification: a) Oversize pin or test ring b) Number of insertions c) Insertion force d) Withdrawal force d) Engagement and disengagement force i) Bayonet and threaded patterns e) Strength mechanism of coupling 11.16 11.16.1 - The torque and longitudinal force shall be specified in the relevant specification shall be relevant 11.11 f) Permeability of non-magnetic materials g) Contact resistance 10.10 10.3 The value of torque specified in the specification - h) Voltage proof *General requirements and methods 10.6 See relevant specification connectors The value shall not exceed that specified in the relevant detailspecification above 3 MHz ( second revision ). ( Continued ) of tests for radio frequency IS : 32380( Part 1) - 1988 TABLE 1 SCHEDULE CL REF OF IS : 5054-1988' (3) 10.5 OF TYPE TESTS CONDITIONS OF T~srs 500 f (4) 50 V dc Conrd REQUIREMENTS (5) The value shall be not less than 5 000 MSZ for professional grade and 1000 MQ for consumer grade The leakage rate shall not exceed lo-' Pa cm*/s at atmospheric pressure There shall be no leakage as detected by escaping air bubbles SL No. TESTS (1) j) Insulation (2) resistance k) Sealing ( applicable sealed patterns ) to 12.5 sealed For hermetically patterns as in IS : 9000 ( Part 15/Set 5 )-1982t For pressurised patterns, the connectors shall be subjected to the air pressure specified in detail specification,applied to one end and the whole assembly immersed in water. The connector shall remain immersed for at least 2 minutes - 2. First Group ( 6 Pairs ) a) Dimensions b) Solderability ( applicable for solder terminations only ) c) Robustness of terminations (applicable for receptacles only ) 11.2 - Interface dimensions shall be applicable as given in Fig. 1 and 2 - 11.7.3 i) Visual examination ii) Contact resistance 9.1 10.3 11.13 A steady force of 22'25 N shall be applied to the termination in the direction radial to the axis of the contact which is most likely to cause damage Measurement shall be made on centre contact only 4000 bumps for professional grade and 1 000 bumps for consumer grade. One number in each sense of three mutually perpendicular directions shall be tested Measurement shall be made on centre contact only For professional grade 10 to 2 000 Hz and for consumer grade 10 to 5 00 Hz Measurement shall be made on centre contact only For professional grade 1 km/s*. Test not applicable for consumer grade Measurement shall be made on centre contact only Professional grade 170 m/s'. Test not applicable for consumer grade Measurement shall be made on centre contact only 5 cycles of minimum and maximum temperature - - See 1 (is) - d) Bump ( Impact > i) Visual examination ii) Contact resistance e) Vibration i) Visual examination ii) Contact resistance f) Shock i) Visual examination ii1 Contact resistance g) Acceleration i) Visual examination ii) Contact resistance 9.1 10.3 11.3 9.1 10.3 11.14 9.1 10.3 11.4 9.1 10.3 See 1 (g) - See1 (g) See 1 (8) See 1 (g) h) Rapid change of tempe12.4 rature i) Visual examination 9.1 See 1 (h) ii) Voltage proof 10.6 See 1 (j) *General requirements and methods of tests radio frequency connectors above 3 MHz ( second *Basic environmental testing procedures for electronic and electrical items: Part 15 Sealing Sealing tracer gas (helium) method with mass spectrometer. revision ). test, Section ( Cmtinued 5 1 3 IS r 12380( Part 1 )- 1988 TABLE 1 SCHEDULE CL REP OF IS : 505&1988* (3) 10.3 12.2 12.2.1 9.1 12.2.2 9.1 12.2.3 9.1 10.9 OB TYPE TESTS 7 Conrd CONDJTIQNB op TEST SL No. TESTS REQUIREMENTS (5) See 1 (g) (1) j) (2) iit) Contact resistance Climatic sequence Dry heat i) Visual examination heat cyclic 21 Damp ( first cycle ) i) Visual examination 3) Dry cold i) Visual examination 4) Corona level (4) Measurement shall be made on centre contact only At the maximum severity One cycle temperature - At the minimum severity - temperature - 5) Low air pressure i) Voltage proof heat cyclic 6) Damp ( remaining cycles ) i) Visual examination ii) Working test resistiii) Insulation ance 12.2.4 10.6 12.2.5 9.1 10.11 10.5 The test voltage and air pressure shall be specified in relevant specification 4'4 kPa for professional grade. Test not applicable to consumer grade At 125 V ac For professional grade, 5 cycle and for consumer grade, 1 cycle At the rated voltage See 1 (k) The value shall be 500 MQ, Min, for professional grade, 50 MQ, Min, for consumer grade See 1 (h) iv) Voltage proof v) Contact resistance vi) Sealing ' vii) Engagement disengagement k) Flammability Second Group ( 4 Pairs ) 10.6 10.3 12.5 11.16 17 See 1 (j) and force Measurement shall be made on centre contact only See 1 (m) See 1 (d) See I (g) See 1 (k) See 1 (d) Burning particles shall not detach from the RF connectors 3. a) Damp state ) heat ( steady 12.3 i) Visual examination ii) Working test iii) Insultation resistance 9.1 10.3 10.5 For professional grade 56 days and for consumer grade 21 days At the rated voltage See 1 (1) - The value shall be 500 MQ, Min, for professional grade and 50 MQ, Min, for consumer grade See 1 (h) See 1 (g) See 1 (k) See 1 (d) iv) Voltage proof v) Contact resistance vi) Sealing and vii) Engagement Fojcsee ngagement 4. Third Group ( 4 Pairs ) a) Mechanical 10.6 10.3 12.5 11.16 see1 (1) Measurement shall be made on centre contact only See 1 (m) See 1 (d) endurance 13 The number of operations shall be 500, at the rate of 12 operation/min ( Max ) connectors above 3 MHz ( second revision ). ( Continued ) t i) Visual examination *General requirements and methods 9.1 of tests for radio frequency 4 IS : 12380( Part 1) - 1988 TABLE 1 SCHEDULE SL No. TESTS IS : 5054-1988" (3) 11.15 11.16 14 9.1 10.3 10.6 12.5 12.6 CL REP OP OF TYPE TESTS c$wwNs (4) Contd REQWQEMENTS (1) (2) ii) Mating characteristics iii) Engagement and disengagement force b) Electrical endurance i) Visual examination ii) Contact resistance iii) Voltage proof iv) Sealing See 1 (c) See 1 (d) 1 000 h at upper category temperature. The contact shall be loaded at 1 A dc Measurement shall be made on centre contact only See 1 (h) See 1 (k) Applicable for professional grades. Test not applicable for consumer grades See (5) 1 (c) 1 Cd) - See 1 (h) See 1 (k) 5. Fourth Group ( 1 Pair ) a) Mould growth Fifth Group ( 3 Pairs ) 4 VSWR b) RF leakage c) RF insertion loss ( radio 4 Voltage proof frequency ) e) Cable retention froce f) Coupling mechanism retention force f3) Resistance to solvents 6. 10.12 10.13 10.14 10.15 11.17 11.18 16 One of the solvents to be used 1) One part by volume of isopropylalcohol and 3 parts by volume of mineral spirits 2) Trichloroethane 3) Azeotrope or trichlorofluoroethane (freon) and methylene chloride See 1 (k) - i) Insulation 10.5 7. ii) Engagement and disengagement force Sixth Group ( 2 Pairs ) a) Centre contact captivation i) Visual examination b) Salt mist 11.16 See 1 (d) The value shall be 500 ML!, Min, for professional grade and 50 M8, Min, for consumer grade See 1 (d) 11.6 9.1 12.7 For professional grade, duration of exposure 48 hours; humidity 95 to 98 percent. Test not applicable for consumer grade. See 1 (d) See 1 (h) See 1 (j) See 1 (d) - i) Visual examination ii) Engagement and diaengagement force iii) Voltage proof iv) Insulation resistance v) Contact resistance vi) Sealing c) Dust 9.1 11.16 10.6 10.5 10.3 - *General requirements and methods Measurement shall be made on centre contact only See 1 (k) 12.5 See 1 (m) 12.9 Applicable for professional grade connectors only. Test not applicable for consumer graae. of tests for radio frequency connectors above 3 MHz ( second revision $. ( Continued) 5 See 1 (h) The value shall be greater than 1 OOOMQ See 1 (9) IS : 12380 ( Part 1) - 1988 TABLE 1 SCHEDULE SL No. (1) TESTS (2) CL REF OF IS : 50%19%?* OF TYPE TESTS CONDITIONS OF TEST Conrd REQUIREMENTS i) Visual examination ii) Engagement and disengagement force iii) Contact resistance NOTE - (3) 9.1 11.16 10.3 for (4) See 1 (d) Measurement shall be made on centre contact only materials/finish as specified and (5) See 1 (d) See 1 (g) shall Two samples shall be checked meet the requirements indicated. *General requirements REF and methods PLANE .--y of tests for radio frequency connectors above 3 MHz ( second revision ), ID TO MEET VSWR MATED AND CONTACT RESISTAhCE 7 WHEN X WITH PIN OIA 1~60/1~68 DETAIL DETAIL AT x mating. Location on coupling nut optional. All dimensions in millimeters. Nora - Three holes 0.69 mm minimum diameter equally spaced, are required for safety wiring after FIG. 1 MATING DIMENSIONS FORMALE CONTACTS SHAPE OF TIP OPTIONAL O-25 max. FLAT PERMITTED --I OPlION*L NOTE - Slitting of inner contact optional. All dimensions in millimeters. FIG. 2 MATING DIMENSIONS FOR FEMALE CONTACTS 6 IS : 12380 (Part 1) - 1988 9.4.2 Routine Tests - The following be carried out in the order stated: a) tests shall b) Voltage proof ( duration 10.6 of IS 5054&1988* ). 2 seconds, see Visual examination -1988* ), and ( see 9.1 of IS : 5054 *General requirements and methods of tests for radio frequency connectors above 3 MHz ( second revision ). TABLE 2 TESTS Group 9.4.3 Acceptance Tests - Two groups of samples ( Group A and Group B ) shall be selected, preferably at random from the lot that has passed routine tests stated in 9.4.2 above. Each group of connectors shall be subjected to the tests in the order given in Table 2. SCHEDULE OF ACCEPTANCE AQL ( PERCENT DEFECTIVE ) 1 TESTS INSPECTION LEVEL ( IS : 10673-1983? ) II D/ND$ CL REP IN IS : 5054-1988* A 9.2 11.15 11.16 10.3 10.5 10.12 12.5 ND Dimensions Mating characteristics Engagement and disengagement force Contact resistance Insulation resistance VSWR Sealing ( for sealed type only ) Group B Sub-group 1 Mechanical endurance test ( 25 percent of total number of operations) Electrical endurance test ( 168 hours ) Sub-group 2 Solderability Robustness of termination Bump Climatic sequence Sub-group 38 Resistance to solvents VSWR Salt mist 13 14 4 s3 ND 11.2 11.7 11.3 12'2 16 11.12 12.7 4 s3 ND Sub-group 4 Materials and finish a) Two samples shall be checked for materials and finish irrespective of the lot size. rejection of the lot. *General requirements and methods of tests for radio frequency connectors above 3 MHz ( second revision 1. tsampling plans and procedures for inspection by attributes for electronic items. $D - Destructive and ND - Non-destructive. §Three samples shall be subjected to the test irrespective of lot size and one or more failures shall constitute . 7